Rolling fence gate supporting mechanism



FIG. 1 is a top, front, right end perspective view of the supporting mechanism for a rolling fence;

FIG. 2 is a top, back, left end perspective view thereof; and

FIG. 3 is a bottom elevational view thereof.

The broken lines showing the gate and fence are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a rolling fence gate supporting mechanism, as shown and described. 